CHEVROLET Chevy small block Gen III/IV (LS-based engines) Cylinder Heads

Cylinder Head Bolts, High Performance Series, Hex Head, Chevrolet, GEN IV 6.2L, LS9 Engine, Kit

Part Number: ARP-130-3601

5.0 out of 5 stars ( 1 )

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Cylinder Head, LS3, Aluminum, Assembled, 68.4cc, 260cc Intake Runner, Each

Part Number: NAL-12675871

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Cylinder Head, L92, Aluminum, Assembled, 70cc Chamber, Chevy, LS, Each

Part Number: NAL-12711770

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Cylinder Head Bolt Kit, Hex Head, Chromoly, Black Oxide, Torque-to-Yield, 2004+ Short Style, GM LS, Each

Part Number: TFS-92011

4.0 out of 5 stars ( 1 )

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Cylinder Head Fastener, Bolt, Hex, Steel, Natural, Chevy, Small Block, Set

Part Number: BTC-BTR98545

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Cylinder Head Dowel Pins, Stock Replacement, GM, Gen III/IV LS, Each

Part Number: BTC-BTR70326

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Valve Seats, Ductile Iron, Exhaust, 1.680 in. Outside Diameter, Chevy, Small Block, LS1, Set of 8

Part Number: TFS-30600274

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LS Cathedral Port/SBC/SBF 8mm Bronze Guide, .502" O.D., Set of 16

Part Number: AFR-9051-16

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Cylinder Head Dowel Pins, Chevy, Small Block LS, LT, Set of 4

Part Number: ICB-551275

4.73 out of 5 stars ( 11 )

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Cylinder Head Bolts, 12- Point, Black Oxide. Chromoly, Kit

Part Number: ARP-234-4339

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Engine Coolant Plug Fastener, Bolt, Internal Allen Head, 27mm x 1.00 Thread Size, 17mm Allen Head Size, Chevy, Small Block LS, LT, Each

Part Number: NAL-11611351

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Valve Guide, Bronze, 0.505 in. o.d., Chevy, Ford, Each

Part Number: AFR-9056

5.0 out of 5 stars ( 3 )

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Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit

Part Number: TFS-K326-580-520

3.75 out of 5 stars ( 4 )

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Valve Seats, Ductile Iron, Exhaust, 1.625 in. Outside Diameter, Chevy, Small Block, LS1, Set of 8

Part Number: TFS-30600272

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Assembled LS Chevy Aluminum Cylinder Head, As Cast, 259CC, 72CC Combustion Chamber, Standard Head Bolts, LS3

Part Number: MLL-PS8015

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Cylinder Head, LS9, Assembled, CNC-Ported, 66.5cc Combustion Chamber, Aluminum, Natural Finish, 2.16 in. Intake Valve, Rectangular Intake Port, Each

Part Number: NAL-19433498

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Engine Coolant Plug Fastener, Bolt, Internal Allen Head, 28mm x 1.25 Thread Size, Steel, Natural, Chevy, Small Block LS, Each

Part Number: NAL-12561663

5.0 out of 5 stars ( 5 )

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Cylinder Head Bolts, Chromoly, Hex Head, Chevrolet LS, 1997-03, Kit

Part Number: EAR-HBS-001ERL

2.6 out of 5 stars ( 5 )

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Cylinder Head Bolts, Pro Series, 12-Point Head, Chevy, 4.8, 5.3, 6.0L, 2004 and Newer, Kit

Part Number: ARP-134-3710

5.0 out of 5 stars ( 1 )

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Cylinder Head Fasteners, Cylinder Head Bolt Kits, 12-point Head, Chromoly, Black, Flat Washers, Chevrolet, Small Block LS, Kit

Part Number: EAR-TBS-002ERL

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Head Bolt, 11mm, Hex, Cadillac, Chevy, Small Block Chevy, LS, Each

Part Number: NAL-19258707

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Cylinder Heads, E-Street, Assembled, Aluminum, 64cc Chamber, 210cc Intake Runner, 75cc Exhaust Runner, Cathedral Port, Chevy, Small Block LS, Pair

Part Number: EDL-7763

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Cylinder Head Studs, Pro Series, Block Thread Repair, ARP2000 Alloy, 12-Point Nuts, Chevy, LS, Kit

Part Number: ARP-234-4348

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Engine Coolan Plugs, Chevy, Small Block LS Gen III and Gen IV, Small Block LT Gen V, Each

Part Number: ICB-551282

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Cylinder Head, GenX® 235, Competition Ported, Assembled, 70cc CNC Chambers, Ti Retainers, 6-Bolt, GM LSX, Each

Part Number: TFS-3061T003-C03

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